Table 4.

Multinomial logistic regression (class 4 as reference)

Class	Predictor	OR (95%CI) for peer relationship problems	OR (95%CI) for emotional symptoms
Class 1 vs 4 (5 for emotional symptoms)
	Female	0.713 (0.522–0.975)	1.157 (0.956–1.401)
	Age at time of disaster <10 years	0.708 (0.490–1.022)	1.132 (0.905–1.415)
	Experiencing the tsunami disaster	1.132 (0.683–1.875)	1.494 (1.101–2.026)
	Experiencing the NPS explosion	1.695 (1.219–2.357)	1.710 (1.404–2.084)
	Place of residence in 2011
	Outside of Fukushima Prefecture	0.781 (0.559–1.093)	1.213 (0.984–1.494)
	Lack of exercise	2.054 (1.498–2.815)	1.875 (1.540–2.283)
Class 2 vs 4 (5 for emotional symptoms)
	Female	1.055 (0.811–1.374)	1.059 (0.906–1.238)
	Age at time of disaster <10 years	0.800 (0.581–1.100)	0.995 (0.831–1.190)
	Experiencing the tsunami disaster	1.102 (0.711–1.709)	1.368 (1.050–1.783)
	Experiencing the NPS explosion	1.425 (1.072–1.894)	1.281 (1.086–1.512)
	Place of residence in 2011
	Outside of Fukushima Prefecture	0.751 (0.567–0.997)	1.111 (0.933–1.322)
	Lack of exercise	1.761 (1.353–2.292)	1.349 (1.153–1.578)
Class 3 vs 4 (5 for emotional symptoms)
	Female	1.054 (0.809–1.373)	0.958 (0.751–1.222)
	Age at time of disaster <10 years	0.825 (0.599–1.136)	1.320 (0.982–1.774)
	Experiencing the tsunami	1.130 (0.728–1.755)	1.570 (1.075–2.295)
	Experiencing the NPS explosion	1.315 (0.988–1.750)	1.206 (0.934–1.556)
	Place of residence in 2011
	Outside of Fukushima Prefecture	0.853 (0.643–1.131)	0.945 (0.718–1.243)
	Lack of exercise	1.182 (0.908–1.540)	1.435 (1.121–1.837)
Class 4 vs 5
	Female		1.001 (0.838–1.195)
	Age at time of disaster <10 years	-	0.856 (0.701–1.046)
	Experiencing the tsunami disaster	-	1.180 (0.871–1.598)
	Experiencing the NPS explosion	-	1.131 (0.937–1.365)
	Place of residence in 2011
	Outside of Fukushima Prefecture	-	0.995 (0.815–1.215)
	Lack of exercise	-	1.188 (0.994–1.419)